755
Connector Pin Specifications of External Signal (EXT) Interface
Pin
No.
I/O Description Electric Conditions
(Voltage, Current (Max))
1 Output
Paper End
Outputs a low signal when the paper end is
detected.
Withstand voltage 50 V
Sink current 50 mA
2 -
GND
Reference Signal Ground
-
3 Output
Ribbon End
Outputs a low signal when the ribbon end
is detected.
Withstand voltage 50 V
Sink current 50 mA
4 Output
Machine Error
Outputs a low signal when an error such as
the head open error is detected.
Withstand voltage 50 V
Sink current 50 mA
5 Input
Print Start signal (PRIN)
Prints one media when a low signal is
detected.
High: high impedance
Low: more than -15 mA, 0 V
6 Output
Print Done/Print End signal (PREND)
Outputs a signal when the media print is
completed.
Withstand voltage 50 V
Sink current 50 mA
7 Input
Reprint signal (PRIN2)
Prints the previously printed content again
when a low signal is detected.
High: high impedance
Low: more than -15 mA, 0 V
8 Input External power supply 5 V